EXAMINE THIS REPORT ON HWGACOR SLOT

" An experiment which has a water-filled glass sphere was done and al-Farisi showed the extra refractions a result of the glass could possibly be disregarded in his design.[seventy four][c] As he observed in his Kitab Tanqih al-Manazir (The Revision from the Optics), al-Farisi made use of a big clear vessel of glass in the shape of the sphere, whic